…The park encompasses the giant caldera of a hotspot-fuelled ‘supervolcano’ that last exploded 630,000 years ago, and is famous as the place to see geysers, hot springs and other hydrothermal activity, all powered by that same hotspot. …
…The park encompasses the giant caldera of a hotspot-fuelled ‘supervolcano’ that last exploded 630,000 years ago, and is famous as the place to see geysers, hot springs and other hydrothermal activity, all powered by that same hotspot. …